Kp index — March 2023
The Kp archive
GFZ definitive record · 3-hour UTC intervals · 1932 → 2026-07-31
Max Kp
8.0
24 Mar · G4
Storm nights
4
G1×1G2×1G3×1G4×1
Time at storm level
4.8%
intervals at Kp ≥ 5−
Avg Kp
2.3
all intervals
Tap a day — its eight intervals open here.
Highlights
- G4 storm · Mar 23–24 · peak Kp 8.0
- Strongest activity since September 2017
2023 · the year at a glance — storm nights by month · year peak Kp 8.3
All-time record: Kp 9.0 — reached on 27 days, most recently 2024-05-11.